Vtg Marantz 2226B Tape Monitor/Loudness/Muting/Mono/Filter Pushbutton Knob OEM

Pioneer SX-434 Loudness, Tape Monitor, Mono or FM Muting Push Button (1)

Sansui G-4700 Receiver: Loudness/ FM Mode/ Sub Filter/ Tape Monitor Push Button

One SANSUI 331 Loudness Mono Tape Monitor Button Cap

NAD 7155 receiver button for bass eq, mono, loudness, etc.

Kenwood KR 5600 1 push button power H filter loudness mono FM mute FM 25us

SANSUI QRX 4500 LOUDNESS / FM MUTE / TAPE MONITOR PUSH BUTTON

SANSUI QRX-5500 KNOB FILTERS LOUDNESS TAPE MONITOR FM MUTING PUSH CAP OEM